CN105022144A - Image capturing optical lens assembly, image capturing device and mobile terminal - Google Patents
Image capturing optical lens assembly, image capturing device and mobile terminal Download PDFInfo
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- CN105022144A CN105022144A CN201410225142.8A CN201410225142A CN105022144A CN 105022144 A CN105022144 A CN 105022144A CN 201410225142 A CN201410225142 A CN 201410225142A CN 105022144 A CN105022144 A CN 105022144A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 299
- 238000003384 imaging method Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 description 57
- 239000004568 cement Substances 0.000 description 46
- 230000004075 alteration Effects 0.000 description 29
- 238000010586 diagram Methods 0.000 description 27
- 201000009310 astigmatism Diseases 0.000 description 22
- 238000001914 filtration Methods 0.000 description 18
- 239000011521 glass Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 9
- 230000003071 parasitic effect Effects 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 238000012797 qualification Methods 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
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- 239000004065 semiconductor Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
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Abstract
An image capturing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The second lens element has negative refractive power. The third lens element with refractive power. The fourth lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof and an image-side surface being concave or planar at a paraxial region thereof, and both surfaces thereof are aspheric and have at least one inflection point. The fifth lens element with negative refractive power has an object-side surface being concave at a paraxial region thereof and an image-side surface being concave at a paraxial region thereof, both surfaces being aspheric, and the image-side surface having at least one convex surface at an off-axis region thereof. When the specific conditions are satisfied, the back focal length of the image capturing optical lens assembly is shortened, and the miniaturization of the image capturing optical lens assembly is maintained.
Description
Technical field
The invention relates to a kind of capture optical frames group, and relate to a kind of miniaturization capture optical frames group be applied on portable apparatus especially.
Background technology
In recent years, along with the rise of portable electronic product with camera function, the demand of optical system day by day improves.The photo-sensitive cell of general optical system is nothing more than being photosensitive coupling element (Charge CoupledDevice, or Complimentary Metal-Oxide semiconductor element (Complementary Metal-OxideSemiconductor Sensor CCD), CMOS Sensor) two kinds, and progressing greatly along with manufacture of semiconductor technology, the Pixel Dimensions of photo-sensitive cell is reduced, optical system develops toward high pixel neighborhoods gradually, therefore also day by day increases the requirement of image quality.
Tradition is equipped on the optical system on portable electronic product, many employings quadruple lenses structure is main, but prevailing due to high standard portable apparatus such as smart mobile phone (Smart Phone) and panel computers (Tablet PC), drive optical system riseing rapidly in pixel and image quality, known optical system cannot meet the photography demand of more high-order.
Generally traditional five chip optical systems although make further progress at present, but surface, the image side of the 4th lens of its tool positive refracting power is main mainly with convex surface, the configuration of this lens face shape deflection easily causes the 4th lens image side surface curvature excessively strong, and cause higher order aberratons to be difficult to revise, and the difficulty that eyeglass makes is higher.Meanwhile, under the requirement of optical system miniaturization, the space matching of each lens is restricted, and thus causes the generation of interference or parasitic light, affects image quality.
Summary of the invention
The invention provides a kind of capture optical frames group, image-taking device and portable apparatus, in its capture optical frames group, tool refracting power lens are five, its surface, the 4th lens image side is concave surface or plane, slows down lens surface curvature whereby, reduces its higher order aberratons and eyeglass manufacture difficulty.Moreover the 5th lens of capture optical frames group are biconcave lens, more can effectively shorten its back focal length whereby, under limited overall length, make the space matching of each lens more abundant, and reduce the generation of interference or parasitic light.
According to the invention provides a kind of capture optical frames group, sequentially comprise the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side.First lens have positive refracting power, and its thing side surface dipped beam axle place is convex surface.Second lens have negative refracting power.3rd lens have refracting power.4th lens have positive refracting power, and its thing side surface dipped beam axle place is convex surface, and its dipped beam axle place, surface, image side is concave surface or plane, and its thing side surface and surface, image side are all aspheric surface, and wherein at least one surface of the 4th lens has at least one point of inflexion.5th lens have negative refracting power, and its thing side surface dipped beam axle place is concave surface, and its dipped beam axle place, surface, image side is concave surface, and its thing side surface and surface, image side are all aspheric surface, and wherein the image side of the 5th lens is surperficial has at least one convex surface from axle place.In capture optical frames group, tool refracting power lens are five, and on optical axis, all there is an air clearance between wantonly two adjacent lens in this mirror group, the focal length of capture optical frames group is f, the focal length of the 4th lens is f4, the radius-of-curvature of the 4th surface, lens image side is R8, the radius-of-curvature of the 5th lens thing side surface is R9, the radius-of-curvature of the 5th surface, lens image side is R10,4th lens and the spacing distance of the 5th lens on optical axis are T45, the thickness of 5th lens on optical axis is CT5, and it meets following condition:
1.20<(f/R10)-(f/R9)；
0≤f4/R8；
0.4<f/f4; And
1.1<T45/CT5。
More provide a kind of image-taking device according to the present invention, comprise capture optical frames group as in the previous paragraph and sense electronics optical element, wherein sense electronics optical element is arranged at the imaging surface of capture optical frames group.
Reoffer a kind of portable apparatus according to the present invention, comprise aforesaid image-taking device.
When (f/R10)-(f/R9) meets above-mentioned condition, contribute to the back focal length shortening capture optical frames group, make the space matching of each lens more abundant under limited overall length.
When f4/R8 meets above-mentioned condition, the correction of capture optical frames group astigmatism effectively can be strengthened to reach excellent image quality.
When f/f4 meets above-mentioned condition, the susceptibility of system can be reduced to promote manufacturing.
When T45/CT5 meets above-mentioned condition, be conducive to making and the assembling of eyeglass, promote and manufacture qualification rate.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of a kind of image-taking device according to first embodiment of the invention;
Fig. 2 is sequentially spherical aberration, the astigmatism of the first embodiment from left to right and distorts curve map;
Fig. 3 illustrates the schematic diagram of a kind of image-taking device according to second embodiment of the invention;
Fig. 4 is sequentially spherical aberration, the astigmatism of the second embodiment from left to right and distorts curve map;
Fig. 5 illustrates the schematic diagram of a kind of image-taking device according to third embodiment of the invention;
Fig. 6 is sequentially spherical aberration, the astigmatism of the 3rd embodiment from left to right and distorts curve map;
Fig. 7 illustrates the schematic diagram of a kind of image-taking device according to fourth embodiment of the invention;
Fig. 8 is sequentially spherical aberration, the astigmatism of the 4th embodiment from left to right and distorts curve map;
Fig. 9 illustrates the schematic diagram of a kind of image-taking device according to fifth embodiment of the invention;
Figure 10 is sequentially spherical aberration, the astigmatism of the 5th embodiment from left to right and distorts curve map;
Figure 11 illustrates the schematic diagram of a kind of image-taking device according to sixth embodiment of the invention;
Figure 12 is sequentially spherical aberration, the astigmatism of the 6th embodiment from left to right and distorts curve map;
Figure 13 illustrates the schematic diagram of a kind of image-taking device according to seventh embodiment of the invention;
Figure 14 is sequentially spherical aberration, the astigmatism of the 7th embodiment from left to right and distorts curve map;
Figure 15 illustrates the schematic diagram of a kind of image-taking device according to eighth embodiment of the invention;
Figure 16 is sequentially spherical aberration, the astigmatism of the 8th embodiment from left to right and distorts curve map;
Figure 17 illustrates the schematic diagram of a kind of image-taking device according to ninth embodiment of the invention;
Figure 18 is sequentially spherical aberration, the astigmatism of the 9th embodiment from left to right and distorts curve map;
Figure 19 illustrates the schematic diagram according to the 4th lens parameter in Fig. 1 image-taking device;
Figure 20 illustrates the schematic diagram of a kind of portable apparatus according to tenth embodiment of the invention;
Figure 21 illustrates the schematic diagram of a kind of portable apparatus according to eleventh embodiment of the invention; And
Figure 22 illustrates the schematic diagram of a kind of portable apparatus according to twelveth embodiment of the invention.
Embodiment
The invention provides a kind of capture optical frames group, sequentially comprise the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side, the lens wherein in capture optical frames group with refracting power are five.
In capture optical frames group described in leading portion, in the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens, between wantonly two adjacent lens, on optical axis, all can have an air clearance; That is, there are five independences and disengaged lens in capture optical frames group.The more disengaged lens of processing procedure due to cemented lens are complicated, the special curved surface that need have high accuracy on the composition surface of two lens, so that the high adaptation reaching when two lens engage, and in the process engaged, also adaptation may be caused because of off normal not good, affect overall optical imagery quality.Therefore, in five lens of capture optical frames group of the present invention, between wantonly two lens, all there is an air clearance, effectively can improve the problem that cemented lens produces.
First lens have positive refracting power, and its thing side surface dipped beam axle place is convex surface.Whereby, suitably can adjust the positive refracting power intensity of the first lens, contribute to the total length shortening capture optical frames group.
Second lens have negative refracting power, and its dipped beam axle place, surface, image side can be concave surface.Whereby, can effectively correction first lens produce aberration to promote image quality.
The thing side surface of the 3rd lens can have at least one concave surface from axle place, and its image side is surperficial can have at least one convex surface from axle place.Whereby, effectively can suppress the angle of light on sense electronics optical element, promote the response efficiency of sense electronics optical element.
4th lens have positive refracting power, and its thing side surface dipped beam axle place is convex surface, and dipped beam axle place, surface, image side is concave surface or plane, and its thing side surface and surface, image side are all aspheric surface.Whereby, the correction of astigmatism can effectively be strengthened.In addition, at least one surface of the 4th lens has at least one point of inflexion.Whereby, can the aberration of effective modified off-axis visual field to promote the image quality of periphery.
5th lens have negative refracting power, and its thing side surface dipped beam axle place is concave surface, and its dipped beam axle place, surface, image side is concave surface.Whereby, effectively can shorten the back focal length of capture optical frames group, make the space matching of each lens more abundant under limited overall length, and reduce the generation of interference or parasitic light, promote image quality further.In addition, the 5th lens image side is surperficial has at least one convex surface from axle place.Whereby, the aberration of modified off-axis visual field can effectively be strengthened, to maintain superior image quality.
In addition, in the thing side surface of the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens and surface, image side, wherein at least five surfaces have at least one point of inflexion.Whereby, effectively can promote the correction from axle visual field aberration, to promote periphery image quality.
The focal length of capture optical frames group is f, and the radius-of-curvature of the 5th lens thing side surface is R9, and the radius-of-curvature on the 5th surface, lens image side is R10, and it meets following condition: 1.20< (f/R10)-(f/R9).Whereby, contribute to the back focal length shortening capture optical frames group, make the space matching of each lens more abundant under limited overall length.Preferably, it can meet following condition: 1.80< (f/R10)-(f/R9) <5.00.
The focal length of the 4th lens is f4, and the radius-of-curvature on the 4th surface, lens image side is R8, and it meets following condition: 0≤f4/R8.Whereby, the correction of capture optical frames group astigmatism and spherical aberration can effectively be strengthened to reach excellent image quality.
The focal length of capture optical frames group is f, and the focal length of the 4th lens is f4, and it meets following condition: 0.4<f/f4.Whereby, the susceptibility of system can be reduced to promote manufacturing.Preferably, it can meet following condition: 0.75<f/f4<1.50.
4th lens and the spacing distance of the 5th lens on optical axis are T45, and the thickness of the 5th lens on optical axis is CT5, and it meets following condition: 1.1<T45/CT5.Whereby, be conducive to making and the assembling of eyeglass, promote and manufacture qualification rate.Preferably, it can meet following condition: 1.25<T45/CT5<2.50.
The thickness of the second lens on optical axis is CT2, and the thickness of the 5th lens on optical axis is CT5, and it meets following condition: 0.20<CT2/CT5<1.0.Whereby, contribute to mouldability and the homogenieity of lens, to promote manufacture qualification rate.
The abbe number of the first lens is V1, and the abbe number of the 3rd lens is V3, and it meets following condition: 0.80<V1/V3<1.50.Whereby, effectively can revise the aberration of capture optical frames group, promote image quality.
First lens and the spacing of the second lens on optical axis are T12, second lens and the spacing of the 3rd lens on optical axis are T23,3rd lens and the spacing of the 4th lens on optical axis are T34,4th lens and the spacing of the 5th lens on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.Whereby, by the spacing suitably adjusted between lens, help the balance maintaining capture optical frames group space matching.
The radius-of-curvature of the 4th lens thing side surface is R7, and the focal length of capture optical frames group is f, and it meets following condition: 0.20<R7/f<0.70.Whereby, astigmatism can effectively be reduced to maintain image quality.
The focal length of the 3rd lens is f3, and the focal length of the 4th lens is f4, and it meets following condition: | f4/f3|<0.50.Whereby, the correction of capture optical frames group aberration is contributed to promote image quality.
The radius-of-curvature of the second lens thing side surface is R3, and the radius-of-curvature on the second surface, lens image side is R4, and it meets following condition: 0.15<R4/R3<0.35.Whereby, by the face shape suitably adjusting the second lens, the correction of aberration is contributed to.
The thickness of the first lens on optical axis is CT1, and the thickness of the 3rd lens on optical axis is CT3, and it meets following condition: 1.60<CT3/CT1<3.50.Whereby, contribute to mouldability and the homogenieity of lens, to promote manufacture qualification rate.
The radius-of-curvature of the 5th lens thing side surface is R9, and the radius-of-curvature on the 5th surface, lens image side is R10, and it meets following condition :-1.00< (R9+R10)/(R9-R10) <-0.25.Whereby, by the face shape suitably adjusting the 5th lens, contribute to the back focal length shortening capture optical frames group, to maintain its miniaturization.
The vertical range of the 4th lens thing side surface critical point and optical axis is Y41, and the thickness of the 4th lens on optical axis is CT4, and it meets following condition: 1.50<Y41/CT4<3.50.Whereby, be conducive to revising central vision and the aberration from axle visual field, and the optics reducing capture optical frames group is distorted.
In capture optical frames group provided by the invention, the material of lens can be plastic cement or glass.When the material of lens is plastic cement, effectively production cost can be reduced.The another material when lens is glass, then can increase the degree of freedom of capture optical frames group refracting power configuration.In addition, thing side surface in capture optical frames group and surface, image side can be aspheric surface, aspheric surface easily can be made into the shape beyond sphere, obtain more controlled variable, in order to cut down aberration, and then the number that reduction lens use, therefore effectively can reduce the total length of capture optical frames group of the present invention.
Moreover, in capture optical frames group provided by the invention, with regard to regard to the lens with refracting power, if when lens surface is convex surface and does not define this convex surface position, then represent that this lens surface is convex surface in dipped beam axle place; If when lens surface is concave surface and does not define this concave surface position, then represent that this lens surface is concave surface in dipped beam axle place.
In addition, in capture optical frames group of the present invention, at least one diaphragm can be set on demand, to reduce parasitic light, contribute to promoting image quality.
In capture optical frames group of the present invention, the critical point (Critical Point) on lens surface is perpendicular to the tangent plane of optical axis and the tangent point of contact of this lens surface.
In capture optical frames group of the present invention, aperture configuration can be preposition aperture or mid-aperture, and wherein preposition aperture meaning and aperture are arranged between object and the first lens, and mid-aperture then represents that aperture is arranged between the first lens and imaging surface.If aperture is preposition aperture, the outgoing pupil of capture optical frames group (Exit Pupil) and imaging surface can be made to produce longer distance, make it have the heart far away (Telecentric) effect, and CCD or CMOS that can increase sense electronics optical element receives the efficiency of image; If mid-aperture, contribute to the field angle of expansion system, make capture optical frames group have the advantage of wide-angle lens.
The more visual demand of capture optical frames group of the present invention is applied in the optical system of mobile focusing, and have the characteristic of excellent lens error correction and good image quality concurrently, can many-side be applied in the portable electronic image systems such as three-dimensional (3D) image capture, digital camera, mobile device, digital flat panel and Wearable device.
The present invention separately provides a kind of image-taking device, and comprise aforesaid capture optical frames group and sense electronics optical element, wherein sense electronics optical element is arranged at the imaging surface of capture optical frames group.Be concave surface or plane by the 4th surface, lens image side in capture optical frames group, overcome the 4th lens image side surface curvature excessively strong, cause higher order aberratons to be difficult to revise and eyeglass makes the problem of comparatively difficulty.Moreover, in image-taking device of the present invention, 5th lens of capture optical frames group are biconcave lens, effectively can shorten the back focal length of optical system whereby, make under limited overall length, the space matching of each lens can be more abundant, and can reduce the generation of interference or parasitic light, promotes image quality further.Preferably, image-taking device can comprise lens barrel (Barrel Member), supportive device (Holder Member) or its combination further.
The invention provides a kind of portable apparatus, comprise aforesaid image-taking device.Whereby, while the advantage playing miniaturization, there is correction higher order aberratons, reduce eyeglass manufacture difficulty, abundant lens space configures and reduction mirror group is interfered or the effect of parasitic light.Preferably, portable apparatus can comprise control module (Control Unit), display unit (Display), storage element (Storage Unit), random access memory (RAM) or its combination further.
According to above-mentioned embodiment, below propose specific embodiment and coordinate accompanying drawing to be described in detail.
< first embodiment >
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 illustrates the schematic diagram of a kind of image-taking device according to first embodiment of the invention, and Fig. 2 is sequentially spherical aberration, the astigmatism of the first embodiment from left to right and distorts curve map.As shown in Figure 1, the image-taking device of the first embodiment comprises capture optical frames group (not another label) and sense electronics optical element 180.Capture optical frames group sequentially comprises aperture 100 by thing side to image side, first lens 110, second lens 120, 3rd lens 130, 4th lens 140, 5th lens 150, infrared ray filtering optical filter 160 and imaging surface 170, and sense electronics optical element 180 is arranged at the imaging surface 170 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (110-150), and the first lens 110, second lens 120, 3rd lens 130, in 4th lens 140 and the 5th lens 150, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 110 have positive refracting power, and are glass material, and its thing side surface 111 dipped beam axle place is convex surface, and its 112 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.
Second lens 120 have negative refracting power, and are plastic cement material, and its thing side surface 121 dipped beam axle place is convex surface, and its 122 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the second lens thing side surface 121 has the point of inflexion.
3rd lens 130 have negative refracting power, and are plastic cement material, and its thing side surface 131 dipped beam axle place is concave surface, and its 132 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 131 has the point of inflexion, and its surface, image side 132 has at least one convex surface from axle place.
4th lens 140 have positive refracting power, and are plastic cement material, and its thing side surface 141 dipped beam axle place is convex surface, and its 142 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 141 and surface, image side 142 all have the point of inflexion.
5th lens 150 have negative refracting power, and are plastic cement material, and its thing side surface 151 dipped beam axle place is concave surface, and its 152 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 151 all has the point of inflexion with surface, image side 152, and its surface, image side 152 has at least one convex surface from axle place.
Infrared ray filtering optical filter 160 is glass material, and it to be arranged between the 5th lens 150 and imaging surface 170 and not to affect the focal length of capture optical frames group.
The aspheric fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X: in aspheric surface, distance optical axis is the point of Y, its be tangential on the relative distance of intersection point tangent plane on aspheric surface optical axis;
Y: the point in aspheric curve and the vertical range of optical axis;
R: radius-of-curvature;
K: conical surface coefficient; And
Ai: the i-th rank asphericity coefficient.
In the capture optical frames group of the first embodiment, the focal length of capture optical frames group is f, and the f-number (f-number) of capture optical frames group is Fno, and in capture optical frames group, the half at maximum visual angle is HFOV, and its numerical value is as follows: f=4.01mm; Fno=2.45; And HFOV=35.0 degree.
In the capture optical frames group of the first embodiment, the abbe number of the first lens 110 is V1, and the abbe number of the 3rd lens 130 is V3, and it meets following condition: V1/V3=1.13.
In the capture optical frames group of the first embodiment, the thickness of the first lens 110 on optical axis is CT1, and the thickness of the 3rd lens 130 on optical axis is CT3, and it meets following condition: CT3/CT1=1.43.
In the capture optical frames group of the first embodiment, the thickness of the second lens 120 on optical axis is CT2, and the thickness of the 5th lens 150 on optical axis is CT5, and it meets following condition: CT2/CT5=0.56.
In the capture optical frames group of the first embodiment, the 4th lens 140 and the spacing distance of the 5th lens 150 on optical axis are T45, and the thickness of the 5th lens 150 on optical axis is CT5, and it meets following condition: T45/CT5=1.63.
Coordinate with reference to Figure 19, it illustrates the schematic diagram according to the 4th lens parameter Y41 in Fig. 1 image-taking device.As shown in Figure 19, the vertical range of the 4th lens thing side surface 141 critical point and optical axis is Y41, and the thickness of the 4th lens 140 on optical axis is CT4, and it meets following condition: Y41/CT4=2.00.
In the capture optical frames group of the first embodiment, the radius-of-curvature of the second lens thing side surface 121 is R3, and the radius-of-curvature on the second surface, lens image side 122 is R4, and it meets following condition: R4/R3=0.18.
In the capture optical frames group of the first embodiment, the radius-of-curvature of the 5th lens thing side surface 151 is R9, and the radius-of-curvature on the 5th surface, lens image side 152 is R10, and it meets following condition: (R9+R10)/(R9-R10)=-0.46.
In the capture optical frames group of the first embodiment, the radius-of-curvature of the 4th lens thing side surface 141 is R7, and the focal length of capture optical frames group is f, and it meets following condition: R7/f=0.48.
In the capture optical frames group of the first embodiment, the focal length of the 4th lens 140 is f4, and the radius-of-curvature on the 4th surface, lens image side 142 is R8, and it meets following condition: f4/R8=0.13.
In the capture optical frames group of the first embodiment, the focal length of capture optical frames group is f, the radius-of-curvature of the 5th lens thing side surface 151 is R9, and the radius-of-curvature on the 5th surface, lens image side 152 is R10, and it meets following condition: (f/R10)-(f/R9)=2.56.
In the capture optical frames group of the first embodiment, the focal length of capture optical frames group is f, and the focal length of the 4th lens 140 is f4, and it meets following condition: f/f4=1.05.
In the capture optical frames group of the first embodiment, the focal length of the 3rd lens 130 is f3, and the focal length of the 4th lens 140 is f4, and it meets following condition: | f4/f3|=0.16.
In the capture optical frames group of the first embodiment, first lens 110 and the spacing distance of the second lens 120 on optical axis are T12, second lens 120 and the spacing distance of the 3rd lens 130 on optical axis are T23,3rd lens 130 and the spacing distance of the 4th lens 140 on optical axis are T34,4th lens 140 and the spacing distance of the 5th lens 150 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
Coordinate again with reference to lower list one and table two.
Table one is the structured data that Fig. 1 first embodiment is detailed, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 sequentially represents by the surface of thing side to image side.Table two is the aspherical surface data in the first embodiment, and wherein, k shows the conical surface coefficient in aspheric curve equation, and A4-A16 then represents each surperficial 4-16 rank asphericity coefficient.In addition, following embodiment form is schematic diagram and the aberration curve figure of corresponding each embodiment, and in form, the definition of data is all identical with the table one of the first embodiment and the definition of table two, does not add repeat at this.
< second embodiment >
Please refer to Fig. 3 and Fig. 4, wherein Fig. 3 illustrates the schematic diagram of a kind of image-taking device according to second embodiment of the invention, and Fig. 4 is sequentially spherical aberration, the astigmatism of the second embodiment from left to right and distorts curve map.As shown in Figure 3, the image-taking device of the second embodiment comprises capture optical frames group (not another label) and sense electronics optical element 280.Capture optical frames group sequentially comprises aperture 200 by thing side to image side, first lens 210, second lens 220, 3rd lens 230, 4th lens 240, 5th lens 250, infrared ray filtering optical filter 260 and imaging surface 270, and sense electronics optical element 280 is arranged at the imaging surface 270 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (210-250), and the first lens 210, second lens 220, 3rd lens 230, in 4th lens 240 and the 5th lens 250, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 210 have positive refracting power, and are plastic cement material, and its thing side surface 211 dipped beam axle place is convex surface, and its 212 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.
Second lens 220 have negative refracting power, and are plastic cement material, and its thing side surface 221 dipped beam axle place is convex surface, and its 222 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the second lens thing side surface 221 has the point of inflexion.
3rd lens 230 have negative refracting power, and are plastic cement material, and its thing side surface 231 dipped beam axle place is concave surface, and its 232 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 231 has the point of inflexion, and its surface, image side 232 has at least one convex surface from axle place.
4th lens 240 have positive refracting power, and are plastic cement material, and its thing side surface 241 dipped beam axle place is convex surface, and its 242 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 241 and surface, image side 242 all have the point of inflexion.
5th lens 250 have negative refracting power, and are plastic cement material, and its thing side surface 251 dipped beam axle place is concave surface, and its 252 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 251 all has the point of inflexion with surface, image side 252, and its surface, image side 252 has at least one convex surface from axle place.
Infrared ray filtering optical filter 260 is glass material, and it to be arranged between the 5th lens 250 and imaging surface 270 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list three and table four.
In second embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table three and table four can extrapolate following data:
In addition, in the capture optical frames group of the second embodiment, first lens 210 and the spacing distance of the second lens 220 on optical axis are T12, second lens 220 and the spacing distance of the 3rd lens 230 on optical axis are T23,3rd lens 230 and the spacing distance of the 4th lens 240 on optical axis are T34,4th lens 240 and the spacing distance of the 5th lens 250 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 3rd embodiment >
Please refer to Fig. 5 and Fig. 6, wherein Fig. 5 illustrates the schematic diagram of a kind of image-taking device according to third embodiment of the invention, and Fig. 6 is sequentially spherical aberration, the astigmatism of the 3rd embodiment from left to right and distorts curve map.As shown in Figure 5, the image-taking device of the 3rd embodiment comprises capture optical frames group (not another label) and sense electronics optical element 380.Capture optical frames group sequentially comprises aperture 300 by thing side to image side, first lens 310, second lens 320, 3rd lens 330, 4th lens 340, 5th lens 350, infrared ray filtering optical filter 360 and imaging surface 370, and sense electronics optical element 380 is arranged at the imaging surface 370 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (310 – 350), and the first lens 310, second lens 320, 3rd lens 330, in 4th lens 340 and the 5th lens 350, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 310 have positive refracting power, and are plastic cement material, and its thing side surface 311 dipped beam axle place is convex surface, and its 312 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the first surface, lens image side 312 has the point of inflexion.
Second lens 320 have negative refracting power, and are plastic cement material, and its thing side surface 321 dipped beam axle place is convex surface, and its 322 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the second lens thing side surface 321 has the point of inflexion.
3rd lens 330 have positive refracting power, and are plastic cement material, and its thing side surface 331 dipped beam axle place is concave surface, and its 332 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 331 has the point of inflexion, and its surface, image side 332 has at least one convex surface from axle place.
4th lens 340 have positive refracting power, and are plastic cement material, and its thing side surface 341 dipped beam axle place is convex surface, and its 342 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 341 and surface, image side 342 all have the point of inflexion.
5th lens 350 have negative refracting power, and are plastic cement material, and its thing side surface 351 dipped beam axle place is concave surface, and its 352 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 351 all has the point of inflexion with surface, image side 352, and its surface, image side 352 has at least one convex surface from axle place.
Infrared ray filtering optical filter 360 is glass material, and it to be arranged between the 5th lens 350 and imaging surface 370 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list five and table six.
In 3rd embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table five and table six can extrapolate following data:
In addition, in the capture optical frames group of the 3rd embodiment, first lens 310 and the spacing distance of the second lens 320 on optical axis are T12, second lens 320 and the spacing distance of the 3rd lens 330 on optical axis are T23,3rd lens 330 and the spacing distance of the 4th lens 340 on optical axis are T34,4th lens 340 and the spacing distance of the 5th lens 350 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 4th embodiment >
Please refer to Fig. 7 and Fig. 8, wherein Fig. 7 illustrates the schematic diagram of a kind of image-taking device according to fourth embodiment of the invention, and Fig. 8 is sequentially spherical aberration, the astigmatism of the 4th embodiment from left to right and distorts curve map.As shown in Figure 7, the image-taking device of the 4th embodiment comprises capture optical frames group (not another label) and sense electronics optical element 480.Capture optical frames group sequentially comprises the first lens 410 by thing side to image side, aperture 400, second lens 420, 3rd lens 430, 4th lens 440, 5th lens 450, infrared ray filtering optical filter 460 and imaging surface 470, and sense electronics optical element 480 is arranged at the imaging surface 470 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (410 – 450), and the first lens 410, second lens 420, 3rd lens 430, in 4th lens 440 and the 5th lens 450, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 410 have positive refracting power, and are plastic cement material, and its thing side surface 411 dipped beam axle place is convex surface, and its 412 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the first lens thing side surface 411 has the point of inflexion.
Second lens 420 have negative refracting power, and are plastic cement material, and its thing side surface 421 dipped beam axle place is convex surface, and its 422 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.
3rd lens 430 have positive refracting power, and are plastic cement material, and its thing side surface 431 dipped beam axle place is convex surface, and its 432 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 431 and surface, image side 432 all have the point of inflexion, and its thing side surface 431 has at least one concave surface from axle place, and its surface, image side 432 has at least one convex surface from axle place.
4th lens 440 have positive refracting power, and are plastic cement material, and its thing side surface 441 dipped beam axle place is convex surface, and its 442 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 441 and surface, image side 442 all have the point of inflexion.
5th lens 450 have negative refracting power, and are plastic cement material, and its thing side surface 451 dipped beam axle place is concave surface, and its 452 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 451 all has the point of inflexion with surface, image side 452, and its surface, image side 452 has at least one convex surface from axle place.
Infrared ray filtering optical filter 460 is glass material, and it to be arranged between the 5th lens 450 and imaging surface 470 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list seven and table eight.
In 4th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table seven and table eight can extrapolate following data:
In addition, in the capture optical frames group of the 4th embodiment, first lens 410 and the spacing distance of the second lens 420 on optical axis are T12, second lens 420 and the spacing distance of the 3rd lens 430 on optical axis are T23,3rd lens 430 and the spacing distance of the 4th lens 440 on optical axis are T34,4th lens 440 and the spacing distance of the 5th lens 450 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 5th embodiment >
Please refer to Fig. 9 and Figure 10, wherein Fig. 9 illustrates the schematic diagram of a kind of image-taking device according to fifth embodiment of the invention, and Figure 10 is sequentially spherical aberration, the astigmatism of the 5th embodiment from left to right and distorts curve map.As shown in Figure 9, the image-taking device of the 5th embodiment comprises capture optical frames group (not another label) and sense electronics optical element 580.Capture optical frames group sequentially comprises aperture 500 by thing side to image side, first lens 510, second lens 520, 3rd lens 130, 4th lens 540, 5th lens 550, infrared ray filtering optical filter 560 and imaging surface 570, and sense electronics optical element 580 is arranged at the imaging surface 570 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (510 – 550), and the first lens 510, second lens 520, 3rd lens 530, in 4th lens 540 and the 5th lens 550, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 510 have positive refracting power, and are plastic cement material, and its thing side surface 511 dipped beam axle place is convex surface, and its 512 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the first surface, lens image side 512 has the point of inflexion.
Second lens 520 have negative refracting power, and are plastic cement material, and its thing side surface 521 dipped beam axle place is convex surface, and its 522 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the second lens thing side surface 521 has the point of inflexion.
3rd lens 530 have negative refracting power, and are plastic cement material, and its thing side surface 531 dipped beam axle place is concave surface, and its 532 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 531 has at least one concave surface from axle place, and its surface, image side 532 has at least one convex surface from axle place.
4th lens 540 have positive refracting power, and are plastic cement material, and its thing side surface 541 dipped beam axle place is convex surface, and its 542 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 541 and surface, image side 542 all have the point of inflexion.
5th lens 550 have negative refracting power, and are plastic cement material, and its thing side surface 551 dipped beam axle place is concave surface, and its 552 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th surface, lens image side 552 has the point of inflexion, and its surface, image side 552 has at least one convex surface from axle place.
Infrared ray filtering optical filter 560 is glass material, and it to be arranged between the 5th lens 550 and imaging surface 570 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list nine and table ten.
In 5th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table nine and table ten can extrapolate following data:
In addition, in the capture optical frames group of the 5th embodiment, first lens 510 and the spacing distance of the second lens 520 on optical axis are T12, second lens 520 and the spacing distance of the 3rd lens 530 on optical axis are T23,3rd lens 530 and the spacing distance of the 4th lens 540 on optical axis are T34,4th lens 540 and the spacing distance of the 5th lens 550 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 6th embodiment >
Please refer to Figure 11 and Figure 12, wherein Figure 11 illustrates the schematic diagram of a kind of image-taking device according to sixth embodiment of the invention, and Figure 12 is sequentially spherical aberration, the astigmatism of the 6th embodiment from left to right and distorts curve map.As shown in Figure 11, the image-taking device of the 6th embodiment comprises capture optical frames group (not another label) and sense electronics optical element 680.Capture optical frames group sequentially comprises aperture 600 by thing side to image side, first lens 610, second lens 620, 3rd lens 630, 4th lens 640, 5th lens 650, infrared ray filtering optical filter 660 and imaging surface 670, and sense electronics optical element 680 is arranged at the imaging surface 670 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (610 – 650), and the first lens 610, second lens 620, 3rd lens 630, in 4th lens 640 and the 5th lens 650, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 610 have positive refracting power, and are plastic cement material, and its thing side surface 611 dipped beam axle place is convex surface, and its 612 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the first surface, lens image side 612 has the point of inflexion.
Second lens 620 have negative refracting power, and are plastic cement material, and its thing side surface 621 dipped beam axle place is convex surface, and its 622 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the second lens thing side surface 621 has the point of inflexion.
3rd lens 630 have positive refracting power, and are plastic cement material, and its thing side surface 631 dipped beam axle place is concave surface, and its 632 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 631 has at least one concave surface from axle place, and its surface, image side 632 has at least one convex surface from axle place.
4th lens 640 have positive refracting power, and are plastic cement material, and its thing side surface 641 dipped beam axle place is convex surface, and its 642 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 641 and surface, image side 642 all have the point of inflexion.
5th lens 650 have negative refracting power, and are plastic cement material, and its thing side surface 651 dipped beam axle place is concave surface, and its 652 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 651 all has the point of inflexion with surface, image side 652, and its surface, image side 652 has at least one convex surface from axle place.
Infrared ray filtering optical filter 660 is glass material, and it to be arranged between the 5th lens 650 and imaging surface 670 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list 11 and table ten two.
In 6th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table ten one and table ten two can extrapolate following data:
In addition, in the capture optical frames group of the 6th embodiment, first lens 610 and the spacing distance of the second lens 620 on optical axis are T12, second lens 620 and the spacing distance of the 3rd lens 630 on optical axis are T23,3rd lens 630 and the spacing distance of the 4th lens 640 on optical axis are T34,4th lens 640 and the spacing distance of the 5th lens 650 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 7th embodiment >
Please refer to Figure 13 and Figure 14, wherein Figure 13 illustrates the schematic diagram of a kind of image-taking device according to seventh embodiment of the invention, and Figure 14 is sequentially spherical aberration, the astigmatism of the 7th embodiment from left to right and distorts curve map.As shown in Figure 13, the image-taking device of the 7th embodiment comprises capture optical frames group (not another label) and sense electronics optical element 780.Capture optical frames group sequentially comprises aperture 700 by thing side to image side, first lens 710, second lens 720, 3rd lens 730, 4th lens 740, 5th lens 750, infrared ray filtering optical filter 760 and imaging surface 770, and sense electronics optical element 780 is arranged at the imaging surface 770 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (710 – 750), and the first lens 710, second lens 720, 3rd lens 730, in 4th lens 740 and the 5th lens 750, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 710 have positive refracting power, and are plastic cement material, and its thing side surface 711 dipped beam axle place is convex surface, and its 712 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.
Second lens 720 have negative refracting power, and are plastic cement material, and its thing side surface 721 dipped beam axle place is concave surface, and its 722 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.
3rd lens 730 have positive refracting power, and are plastic cement material, and its thing side surface 731 dipped beam axle place is convex surface, and its 732 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 731 has the point of inflexion, and its thing side surface 731 has at least one concave surface from axle place, and its surface, image side 732 has at least one convex surface from axle place.
4th lens 740 have positive refracting power, and are plastic cement material, and its thing side surface 741 dipped beam axle place is convex surface, and its 742 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 741 and surface, image side 742 all have the point of inflexion.
5th lens 750 have negative refracting power, and are plastic cement material, and its thing side surface 751 dipped beam axle place is concave surface, and its 752 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 751 all has the point of inflexion with surface, image side 752, and its surface, image side 752 has at least one convex surface from axle place.
Infrared ray filtering optical filter 760 is glass material, and it to be arranged between the 5th lens 750 and imaging surface 770 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list 13 and table ten four.
In 7th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table ten three and table ten four can extrapolate following data:
In addition, in the capture optical frames group of the 7th embodiment, first lens 710 and the spacing distance of the second lens 720 on optical axis are T12, second lens 720 and the spacing distance of the 3rd lens 730 on optical axis are T23,3rd lens 730 and the spacing distance of the 4th lens 740 on optical axis are T34,4th lens 740 and the spacing distance of the 5th lens 750 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 8th embodiment >
Please refer to Figure 15 and Figure 16, wherein Figure 15 illustrates the schematic diagram of a kind of image-taking device according to eighth embodiment of the invention, and Figure 16 is sequentially spherical aberration, the astigmatism of the 8th embodiment from left to right and distorts curve map.As shown in Figure 15, the image-taking device of the 8th embodiment comprises capture optical frames group (not another label) and sense electronics optical element 880.Capture optical frames group sequentially comprises the first lens 810 by thing side to image side, aperture 800, second lens 820, 3rd lens 830, 4th lens 840, 5th lens 850, infrared ray filtering optical filter 860 and imaging surface 870, and sense electronics optical element 880 is arranged at the imaging surface 870 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (810 – 850), and the first lens 810, second lens 820, 3rd lens 830, in 4th lens 840 and the 5th lens 850, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 810 have positive refracting power, and are plastic cement material, and its thing side surface 811 dipped beam axle place is convex surface, and its 812 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the first lens thing side surface 811 has the point of inflexion.
Second lens 820 have negative refracting power, and are plastic cement material, and its thing side surface 821 dipped beam axle place is convex surface, and its 822 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.
3rd lens 830 have positive refracting power, and are plastic cement material, and its thing side surface 831 dipped beam axle place is convex surface, and its 832 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 831 and surface, image side 832 all have the point of inflexion, and its thing side surface 831 has at least one concave surface from axle place.
4th lens 840 have positive refracting power, and are plastic cement material, and its thing side surface 841 dipped beam axle place is convex surface, and its 842 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 4th lens thing side surface 841 and surface, image side 842 all have the point of inflexion.
5th lens 850 have negative refracting power, and are plastic cement material, and its thing side surface 851 dipped beam axle place is concave surface, and its 852 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 851 all has the point of inflexion with surface, image side 852, and its surface, image side 852 has at least one convex surface from axle place.
Infrared ray filtering optical filter 860 is glass material, and it to be arranged between the 5th lens 850 and imaging surface 870 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list 15 and table ten six.
In 8th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table ten five and table ten six can extrapolate following data:
In addition, in the capture optical frames group of the 8th embodiment, first lens 810 and the spacing distance of the second lens 820 on optical axis are T12, second lens 820 and the spacing distance of the 3rd lens 830 on optical axis are T23,3rd lens 830 and the spacing distance of the 4th lens 840 on optical axis are T34,4th lens 840 and the spacing distance of the 5th lens 850 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the 9th embodiment >
Please refer to Figure 17 and Figure 18, wherein Figure 17 illustrates the schematic diagram of a kind of image-taking device according to ninth embodiment of the invention, and Figure 18 is sequentially spherical aberration, the astigmatism of the 9th embodiment from left to right and distorts curve map.As shown in Figure 17, the image-taking device of the 9th embodiment comprises capture optical frames group (not another label) and sense electronics optical element 980.Capture optical frames group sequentially comprises aperture 900 by thing side to image side, first lens 910, second lens 920, 3rd lens 930, 4th lens 940, 5th lens 950, infrared ray filtering optical filter 960 and imaging surface 970, and sense electronics optical element 980 is arranged at the imaging surface 970 of capture optical frames group, the lens wherein in capture optical frames group with refracting power are five (910 – 950), and the first lens 910, second lens 920, 3rd lens 930, in 4th lens 940 and the 5th lens 950, on optical axis, all there is an air clearance between wantonly two adjacent lens.
First lens 910 have positive refracting power, and are plastic cement material, and its thing side surface 911 dipped beam axle place is convex surface, and its 912 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the first surface, lens image side 912 has the point of inflexion.
Second lens 920 have negative refracting power, and are plastic cement material, and its thing side surface 921 dipped beam axle place is convex surface, and its 922 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the second lens thing side surface 921 has the point of inflexion.
3rd lens 930 have negative refracting power, and are plastic cement material, and its thing side surface 931 dipped beam axle place is concave surface, and its 932 dipped beam axle places, surface, image side are convex surface, and are all aspheric surface.In addition, the 3rd lens thing side surface 931 has the point of inflexion, and its surface, image side 932 has at least one convex surface from axle place.
4th lens 940 have positive refracting power, and are plastic cement material, and its thing side surface 941 dipped beam axle place is convex surface, and its 942 dipped beam axle places, surface, image side are plane, and are all aspheric surface.In addition, the 4th lens thing side surface 941 and surface, image side 942 all have the point of inflexion.
5th lens 950 have negative refracting power, and are plastic cement material, and its thing side surface 951 dipped beam axle place is concave surface, and its 952 dipped beam axle places, surface, image side are concave surface, and are all aspheric surface.In addition, the 5th lens thing side surface 951 all has the point of inflexion with surface, image side 952, and its surface, image side 952 has at least one convex surface from axle place.
Infrared ray filtering optical filter 960 is glass material, and it to be arranged between the 5th lens 950 and imaging surface 970 and not to affect the focal length of capture optical frames group.
Coordinate again with reference to lower list 17 and table ten eight.
In 9th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, the definition of following table parameter is all identical with the first embodiment, and not in this to go forth.
Cooperation table ten seven and table ten eight can extrapolate following data:
In addition, in the capture optical frames group of the 9th embodiment, first lens 910 and the spacing distance of the second lens 920 on optical axis are T12, second lens 920 and the spacing distance of the 3rd lens 930 on optical axis are T23,3rd lens 930 and the spacing distance of the 4th lens 940 on optical axis are T34,4th lens 940 and the spacing distance of the 5th lens 950 on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
< the tenth embodiment >
Please refer to Figure 20, is the schematic diagram of a kind of portable apparatus 10 illustrated according to tenth embodiment of the invention.The portable apparatus 10 of the tenth embodiment is a smart mobile phone, portable apparatus 10 comprises image-taking device 11, image-taking device 11 comprises according to capture optical frames group of the present invention (figure does not disclose) and sense electronics optical element (figure does not disclose), and wherein sense electronics optical element is arranged at the imaging surface of capture optical frames group.
< the 11 embodiment >
Please refer to Figure 21, is the schematic diagram of a kind of portable apparatus 20 illustrated according to eleventh embodiment of the invention.The portable apparatus 20 of the 11 embodiment is a panel computer, portable apparatus 20 comprises image-taking device 21, image-taking device 21 comprises according to capture optical frames group of the present invention (figure does not disclose) and sense electronics optical element (figure does not disclose), and wherein sense electronics optical element is arranged at the imaging surface of capture optical frames group.
< the 12 embodiment >
Please refer to Figure 22, is the schematic diagram of a kind of portable apparatus 30 illustrated according to twelveth embodiment of the invention.The portable apparatus 30 of the 12 embodiment is a head mounted display (Head-mounteddisplay, HMD), portable apparatus 30 comprises image-taking device 31, image-taking device 31 comprises according to capture optical frames group of the present invention (figure does not disclose) and sense electronics optical element (figure does not disclose), and wherein sense electronics optical element is arranged at the imaging surface of capture optical frames group.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention; anyly be familiar with this those skilled in the art; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, the scope that therefore protection scope of the present invention ought define depending on appending claims is as the criterion.
Claims (18)
1. a capture optical frames group, is characterized in that, is sequentially comprised to image side by thing side:
One first lens, have positive refracting power, and its thing side surface dipped beam axle place is convex surface;
One second lens, have negative refracting power;
One the 3rd lens, have refracting power;
One the 4th lens, have positive refracting power, and its thing side surface dipped beam axle place is convex surface, and its dipped beam axle place, surface, image side is concave surface or plane, and its thing side surface and surface, image side are all aspheric surface, and wherein at least one surface of the 4th lens has at least one point of inflexion; And
One the 5th lens, have negative refracting power, and its thing side surface dipped beam axle place is concave surface, and its dipped beam axle place, surface, image side is concave surface, and its thing side surface and surface, image side are all aspheric surface, and wherein the image side of the 5th lens is surperficial has at least one convex surface from axle place;
Wherein, in this capture optical frames group, tool refracting power lens are five, on optical axis, all there is an air clearance between wantonly two adjacent lens in described lens, the focal length of this capture optical frames group is f, the focal length of the 4th lens is f4, the radius-of-curvature of the 4th surface, lens image side is R8, the radius-of-curvature of the 5th lens thing side surface is R9, the radius-of-curvature of the 5th surface, lens image side is R10,4th lens and the spacing distance of the 5th lens on optical axis are T45, the thickness of 5th lens on optical axis is CT5, and it meets following condition:
1.20<(f/R10)-(f/R9)；
0≤f4/R8；
0.4<f/f4; And
1.1<T45/CT5。
2. capture optical frames group according to claim 1, is characterized in that, this dipped beam axle place, surface, the second lens image side is concave surface.
3. capture optical frames group according to claim 2, is characterized in that, the thickness of these the second lens on optical axis is CT2, and the thickness of the 5th lens on optical axis is CT5, and it meets following condition:
0.20<CT2/CT5<1.0。
4. capture optical frames group according to claim 2, is characterized in that, the abbe number of these the first lens is V1, and the abbe number of the 3rd lens is V3, and it meets following condition:
0.80<V1/V3<1.50。
5. capture optical frames group according to claim 1, it is characterized in that, these first lens and the spacing distance of these the second lens on optical axis are T12, these second lens and the spacing distance of the 3rd lens on optical axis are T23,3rd lens and the spacing distance of the 4th lens on optical axis are T34,4th lens and the spacing distance of the 5th lens on optical axis are T45, and wherein T45 is the maximal value in all spacing distances.
6. capture optical frames group according to claim 5, is characterized in that, the radius-of-curvature of the 4th lens thing side surface is R7, and the focal length of this capture optical frames group is f, and it meets following condition:
0.20<R7/f<0.70。
7. capture optical frames group according to claim 1, is characterized in that, the 4th lens and the spacing distance of the 5th lens on optical axis are T45, and the thickness of the 5th lens on optical axis is CT5, and it meets following condition:
1.25<T45/CT5<2.50。
8. capture optical frames group according to claim 1, is characterized in that, the focal length of this capture optical frames group is f, and the radius-of-curvature of the 5th lens thing side surface is R9, and the radius-of-curvature on the 5th surface, lens image side is R10, and it meets following condition:
1.80<(f/R10)-(f/R9)<5.00。
9. capture optical frames group according to claim 1, is characterized in that, the focal length of the 3rd lens is f3, and the focal length of the 4th lens is f4, and it meets following condition:
|f4/f3|<0.50。
10. capture optical frames group according to claim 1, is characterized in that, the radius-of-curvature of this second lens thing side surface is R3, and the radius-of-curvature on this surface, the second lens image side is R4, and it meets following condition:
0.15<R4/R3<0.35。
11. capture optical frames groups according to claim 1, it is characterized in that, the thickness of these the first lens on optical axis is CT1, the thickness of the 3rd lens on optical axis is CT3, and it meets following condition:
1.60<CT3/CT1<3.50。
12. capture optical frames groups according to claim 1, it is characterized in that, the radius-of-curvature of the 5th lens thing side surface is R9, the radius-of-curvature on the 5th surface, lens image side is R10, and it meets following condition:
-1.00<(R9+R10)/(R9-R10)<-0.25。
13. capture optical frames groups according to claim 1, it is characterized in that, the focal length of this capture optical frames group is f, the focal length of the 4th lens is f4, and it meets following condition:
0.75<f/f4<1.50。
14. capture optical frames groups according to claim 1, is characterized in that, the 3rd lens thing side surface has at least one concave surface from axle place, and the 3rd lens image side is surperficial has at least one convex surface from axle place.
15. capture optical frames groups according to claim 1, it is characterized in that, in the thing side surface of these first lens, these second lens, the 3rd lens, the 4th lens and the 5th lens and surface, image side, wherein at least five surfaces have at least one point of inflexion.
16. capture optical frames groups according to claim 1, it is characterized in that, the vertical range of the 4th lens thing side surface critical point and optical axis is Y41, the thickness of the 4th lens on optical axis is CT4, and it meets following condition:
1.50<Y41/CT4<3.50
17. 1 kinds of image-taking devices, is characterized in that, comprise:
Capture optical frames group as claimed in claim 1; And
One sense electronics optical element, it is arranged at an imaging surface of this capture optical frames group.
18. 1 kinds of portable apparatus, is characterized in that, comprise:
Image-taking device as claimed in claim 17.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103115378A TWI491914B (en) | 2014-04-29 | 2014-04-29 | Image capturing optical lens assembly, image capturing device and mobile terminal |
| TW103115378 | 2014-04-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105022144A true CN105022144A (en) | 2015-11-04 |
| CN105022144B CN105022144B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410225142.8A Active CN105022144B (en) | 2014-04-29 | 2014-05-26 | Image capturing optical lens assembly, image capturing device and mobile terminal |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9151931B1 (en) |
| CN (1) | CN105022144B (en) |
| TW (1) | TWI491914B (en) |
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Also Published As
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| CN105022144B (en) | 2017-07-21 |
| US9151931B1 (en) | 2015-10-06 |
| TW201432297A (en) | 2014-08-16 |
| US20150309286A1 (en) | 2015-10-29 |
| TWI491914B (en) | 2015-07-11 |
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